Below is a clear, detailed, step-by-step guide on How to Make Crochet Granny Square Slippers — perfect for beginners or experienced crocheters. I’ll include materials, sizing tips, assembly diagrams (text-based), and optional design variations.

🧶 How to Crochet Granny Square Slippers (Step-by-Step Guide)

Granny square slippers are simple, quick, and customizable. They’re created from several classic granny squares stitched together in a strategic pattern to form comfy, cozy slippers.

⭐ Materials Needed

• Yarn: Worsted weight (medium #4) acrylic or cotton yarn
  (use 1–2 colors or multiple for a patchwork look)

• Crochet hook: Size H/5.0 mm or size recommended for your yarn

• Yarn needle for sewing squares together

• Scissors

📏 Sizing Guide

You can adjust slipper size by:

• Using bigger or smaller hook/yarn

• Making larger or smaller granny squares

• Adding or removing border rounds

Typical square size:

• Adult Small: 4.5″ squares

• Adult Medium: 5″ squares

• Adult Large: 5.5″ squares

• Child sizes: 3.5–4″ squares

🟦 Step 1: Crochet the Basic Granny Square

You need 3 granny squares per slipper, 6 total for a pair.

Classic Granny Square Instructions

Round 1

1. Ch 4, slip stitch to form ring.

2. Ch 3 (counts as dc), work 2 dc into ring.

3. Ch 2, 3 dc into ring — repeat 3 times.

4. Ch 2, join with sl st to top of beginning ch-3.
   (You now have 4 clusters forming a square.)

Round 2

1. Sl st to first ch-2 corner space.

2. Ch 3 (counts as dc), 2 dc, ch 2, 3 dc in the same corner (corner made).

3. In next corner space: 3 dc, ch 2, 3 dc.

4. Repeat for remaining corners.

5. Join with sl st to top of ch-3.

Round 3 (and beyond if needed)

1. In each corner: 3 dc, ch 2, 3 dc.

2. In each side space: 3 dc.

3. Continue until square is your desired size.

Make all 6 squares equal in size.

🧩 Step 2: Arrange the Squares

Each slipper is assembled from three squares:

Layout Diagram (top view)

• A = toe square

• B = side square

• C = heel square

🪡 Step 3: Sewing the Slipper Together

Use whip stitch or slip stitch join.

🥿 Slipper Assembly Instructions

1️⃣ Join A and B

• Fold Square B so one edge aligns with the side of Square A.

• Sew along one edge (half of square A’s side).

2️⃣ Join A and C

• Fold Square C to align with the opposite side of Square A.

• Sew along one edge.

You now have 3 squares forming an open “T” shape.

3️⃣ Join the Back of the Slipper

• Fold B and C toward each other so their free edges meet.

• Stitch B to C along the back seam (this forms the heel).

4️⃣ Form the Toe

• Fold Square A slightly around the toes and sew its remaining edges to B and C.

🧦 Shape Diagram (Side View After Folding)

🎀 Step 4: Add Edging (Optional)

Work 1–2 rounds of sc around the slipper opening for structure.

• Round 1: sc evenly around

• Round 2 (optional): crab stitch or sl st for a decorative edge

🌈 Step 5: Customizations

• Use variegated yarn for colorful squares

• Add pom-poms at the toe

• Add soles using felting sheets or suede patches for grip

• Make flower appliqués and sew onto Square A

• Use 3 different colors—one per square—for a playful look

🧼 Care Instructions

• Machine wash gentle or hand wash

• Lay flat to dry to maintain shape

✅ Want a printable pattern, a diagram image, or a video-style walkthrough?